From: Eric Niebler (eric_at_[hidden])
Date: 2007-11-05 11:57:14
Jeff Flinn wrote:
> We compile our app with -Wunused-variables on the Mac with gcc 4.0. We
> get several unused variable warnings due to
> <boost/xpressive/regex_primitives.hpp>.
>
> Is there some facility for quieting these from xpressive itself? We
> currently are using #pragma unused ( eol, ...) to quiet the list of
> about 15 unused variables.
Are you using the version of xpressive in 1.34, or in the latest .zip
archive from the Boost file vault? In the latest code, I have tried to
stifle these warnings by adding the following to regex_primitives.hpp:
namespace detail
{
inline void ignore_unused_regex_primitives()
{
ignore_unused(repeat_max);
ignore_unused(inf);
ignore_unused(epsilon);
...
ignore_unused(keep);
}
}
where ignore_unused() is merely:
template<typename T>
void ignore_unused(T const &)
{
}
That seems to work for me. You might try something similar.
-- Eric Niebler Boost Consulting www.boost-consulting.com